Để triển khai hoạt ảnh trên thuộc tính chiều rộng cột bằng CSS, bạn có thể thử chạy mã sau
Ví dụ
<!DOCTYPE html>
<html>
<head>
<style>
div {
width: 600px;
height: 300px;
background: white;
border: 10px solid red;
animation: myanim 3s infinite;
bottom: 30px;
position: absolute;
column-rule: 10px inset orange;
column-count: 4;
column-width: 200px;
}
@keyframes myanim {
20% {
bottom: 100px;
box-shadow: 30px 45px 70px orange;
column-rule-color: black;
column-width: 150px;
}
}
</style>
</head>
<body>
<h2>Performing Animation on column width property</h2>
<div>This is demo text! This is demo text! This is demo text!
This is demo text! This is demo text! This is demo text!
This is demo text! This is demo text! This is demo text!
This is demo text! This is demo text! This is demo text!
This is demo text! This is demo text! This is demo text!
This is demo text! This is demo text! This is demo text!
This is demo text! This is demo text! This is demo text!
This is demo text! This is demo text! This is demo text!
This is demo text!
</div>
</body>
</html>